Trouble installing requirements.txt

[dug20]

I ran pip install -r requirements.txt, and got the following error when it tried to install scitools_iris==2.4.0

The same problem appears when I run pip install scitools-iris.

Collecting cartopy
  Using cached Cartopy-0.18.0.tar.gz (14.4 MB)
    ERROR: Command errored out with exit status 1:
     command: 'D:\anaconda3\python.exe' -c 'import sys, setuptools, tokenize; sys.argv[0] = '"'"'C:\\Users\\Daniel\\AppData\\Local\\Temp\\pip-install-02lbfyqf\\cartopy\\setup.py'"'"'; __file__='"'"'C:\\Users\\Daniel\\AppData\\Local\\Temp\\pip-install-02lbfyqf\\cartopy\\setup.py'"'"';f=getattr(tokenize, '"'"'open'"'"', open)(__file__);code=f.read().replace('"'"'\r\n'"'"', '"'"'\n'"'"');f.close();exec(compile(code, __file__, '"'"'exec'"'"'))' egg_info --egg-base 'C:\Users\Daniel\AppData\Local\Temp\pip-pip-egg-info-fkoiu6vb'
         cwd: C:\Users\Daniel\AppData\Local\Temp\pip-install-02lbfyqf\cartopy\
    Complete output (3 lines):
    C:\Users\Daniel\AppData\Local\Temp\pip-install-02lbfyqf\cartopy\setup.py:104: UserWarning: Unable to determine GEOS version. Ensure you have 3.3.3 or later installed, or installation may fail.
      warnings.warn(
    Proj 4.9.0 must be installed.
    ----------------------------------------
ERROR: Command errored out with exit status 1: python setup.py egg_info Check the logs for full command output.

[dug20]

The solution seems to be to run the following in Anaconda Prompt:
conda install -c scitools cartopy

Not sure if there's a way to install requirements.txt using conda instead of pip?

https://gist.github.com/luiscape/19d2d73a8c7b59411a2fb73a697f5ed4#file-install_packages-sh

[dug20]

You can try (in Anaconda Prompt):
conda config --append channels conda-forge
conda install --file requirements.txt

But this doesn't work completely.

[jagoosw]

I had to manually install some C++ dependency for Iris. I'll try finding out what it was in a sec

[dug20]

If you use conda it will automatically install all the depencies for iris.

Using Anaconda prompt you just need to run each of the following manually:

conda install -c scitools iris
conda install -c conda-forge metpy
conda install -c uvcdat thermo
pip install ambiance

And that should install all the necessary modules you need for everything

[jagoosw]

Found it. Need to install this dependency by:
brew install eccodes
then:
pip install eecodes iris iris_grib

More info: https://pypi.org/project/eccodes/

Also I don't think brew is a thing on windows?

[jagoosw]

Oops only just read your reply. The error message at the top is what I was getting when hadn't done that dependancy but idk why pip doesn't do it if conda does